Keyboard



FIG. 1 is a top plan view of a keyboard in accordance with the presentinvention;

FIG. 2 is a front elevational view of the keyboard of FIG. 1;

FIG. 3 is a rear elevational view of the keyboard of FIG. 1;

FIG. 4 is a first side elevational view of the keyboard of FIG. 1; and,

FIG. 5 is a second side elevational view of the keyboard of FIG. 1.

The broken lines showing of environment forms no part of the claimeddesign.

The ornamental design for a keyboard, as shown and described.